Home / 853,796.61-1,178,192.88-471,798.75

Finding the Fourth Proportional to 853,796.61, 1,178,192.88 and 471,798.75

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Solution

The fourth proportional to 853,796.61, 1,178,192.88 and 471,798.75 is: 651,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,796.61 : 1,178,192.88 = 471,798.75 : x
  2. Step 2: Convert to fraction form
    853,796.61/1,178,192.88 = 471,798.75/x
  3. Step 3: Cross multiply
    853,796.61x = 1,178,192.88 × 471,798.75
  4. Step 4: Simplify right side
    853,796.61x = 555,869,928,042.90
  5. Step 5: Solve for x
    x = 555,869,928,042.90/853,796.61
  6. Step 6: Final answer
    x = 651,056.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.